2/8/09: Met in TEDA, Tianjin while on business trip
5/09: trip to south China together for 1 week
8/09: time together during business trip
10/09: time together during business trip
12/09: Christmas & New Years together
3/10: time together during business trip
11/2/10 - 12/14/10: time together during business trip
12/15/10 - 1/7/11: together with Nana's parent's and family in home town
4/22/11: Married
5/1/11: wedding dinner in Nana's home town
